cockatiels are some of the most popular pet birds in the world. These creatures are related to parrots and hail from the wilderness of Australia. In captivity, when allowed to interact with people early and often, cockatiels are affectionate and gentle. Thanks to their relatively compact size, cockatiels can be handled with ease. You won't need a big house to keep these birds happy. A cockatiel will be glad to see you return home from work, sit next...